333 lines
10 KiB
HTML
333 lines
10 KiB
HTML
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<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Stencils example for mxGraph. This example demonstrates using
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an XML file to define new stencils to be used as shapes. See
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docs/stencils.xsd for the XML schema file.
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-->
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<html>
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<head>
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<title>Stencils example for mxGraph</title>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<!-- Example code -->
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<script type="text/javascript">
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// Program starts here. Creates a sample graph in the
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// DOM node with the specified ID. This function is invoked
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// from the onLoad event handler of the document (see below).
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function main(container)
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{
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// Checks if the browser is supported
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if (!mxClient.isBrowserSupported())
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{
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// Displays an error message if the browser is not supported.
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mxUtils.error('Browser is not supported!', 200, false);
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}
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else
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{
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// Sets the global shadow color
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mxConstants.SHADOWCOLOR = '#C0C0C0';
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mxConstants.SHADOW_OPACITY = 0.5;
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mxConstants.SHADOW_OFFSET_X = 4;
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mxConstants.SHADOW_OFFSET_Y = 4;
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mxConstants.HANDLE_FILLCOLOR = '#99ccff';
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mxConstants.HANDLE_STROKECOLOR = '#0088cf';
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mxConstants.VERTEX_SELECTION_COLOR = '#00a8ff';
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// Enables connections along the outline
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mxConnectionHandler.prototype.outlineConnect = true;
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mxEdgeHandler.prototype.manageLabelHandle = true;
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mxEdgeHandler.prototype.outlineConnect = true;
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mxCellHighlight.prototype.keepOnTop = true;
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// Enable rotation handle
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mxVertexHandler.prototype.rotationEnabled = true;
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// Uses the shape for resize previews
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mxVertexHandler.prototype.createSelectionShape = function(bounds)
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{
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var key = this.state.style[mxConstants.STYLE_SHAPE];
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var stencil = mxStencilRegistry.getStencil(key);
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var shape = null;
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if (stencil != null)
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{
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shape = new mxShape(stencil);
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shape.apply(this.state);
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}
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else
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{
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shape = new this.state.shape.constructor();
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}
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shape.outline = true;
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shape.bounds = bounds;
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shape.stroke = mxConstants.HANDLE_STROKECOLOR;
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shape.strokewidth = this.getSelectionStrokeWidth();
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shape.isDashed = this.isSelectionDashed();
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shape.isShadow = false;
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return shape;
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};
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// Defines a custom stencil via the canvas API as defined here:
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// http://jgraph.github.io/mxgraph/docs/js-api/files/util/mxXmlCanvas2D-js.html
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function CustomShape()
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{
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mxShape.call(this);
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};
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mxUtils.extend(CustomShape, mxShape);
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CustomShape.prototype.paintBackground = function(c, x, y, w, h)
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{
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c.translate(x, y);
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// Head
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c.ellipse(w / 4, 0, w / 2, h / 4);
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c.fillAndStroke();
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c.begin();
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c.moveTo(w / 2, h / 4);
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c.lineTo(w / 2, 2 * h / 3);
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// Arms
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c.moveTo(w / 2, h / 3);
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c.lineTo(0, h / 3);
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c.moveTo(w / 2, h / 3);
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c.lineTo(w, h / 3);
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// Legs
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c.moveTo(w / 2, 2 * h / 3);
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c.lineTo(0, h);
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c.moveTo(w / 2, 2 * h / 3);
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c.lineTo(w, h);
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c.end();
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c.stroke();
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};
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// Replaces existing actor shape
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mxCellRenderer.registerShape('customShape', CustomShape);
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// Loads the stencils into the registry
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var req = mxUtils.load('stencils.xml');
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var root = req.getDocumentElement();
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var shape = root.firstChild;
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while (shape != null)
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{
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if (shape.nodeType == mxConstants.NODETYPE_ELEMENT)
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{
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mxStencilRegistry.addStencil(shape.getAttribute('name'), new mxStencil(shape));
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}
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shape = shape.nextSibling;
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}
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mxEvent.disableContextMenu(container);
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// Creates the graph inside the given container
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var graph = new mxGraph(container);
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graph.setConnectable(true);
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graph.setTooltips(true);
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graph.setPanning(true);
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graph.getTooltipForCell = function(cell)
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{
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if (cell != null)
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{
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return cell.style;
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}
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return null;
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};
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// Changes default styles
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var style = graph.getStylesheet().getDefaultEdgeStyle();
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style[mxConstants.STYLE_EDGE] = 'orthogonalEdgeStyle';
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style = graph.getStylesheet().getDefaultVertexStyle();
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style[mxConstants.STYLE_FILLCOLOR] = '#adc5ff';
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style[mxConstants.STYLE_GRADIENTCOLOR] = '#7d85df';
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style[mxConstants.STYLE_SHADOW] = '1';
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// Enables rubberband selection
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new mxRubberband(graph);
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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var parent = graph.getDefaultParent();
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// Adds cells to the model in a single step
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, 'A1', 20, 20, 40, 80, 'shape=and');
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var v2 = graph.insertVertex(parent, null, 'A2', 20, 220, 40, 80, 'shape=and');
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var v3 = graph.insertVertex(parent, null, 'X1', 160, 110, 80, 80, 'shape=xor');
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var e1 = graph.insertEdge(parent, null, '', v1, v3);
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e1.geometry.points = [new mxPoint(90, 60), new mxPoint(90, 130)];
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var e2 = graph.insertEdge(parent, null, '', v2, v3);
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e2.geometry.points = [new mxPoint(90, 260), new mxPoint(90, 170)];
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var v4 = graph.insertVertex(parent, null, 'A3', 520, 20, 40, 80, 'shape=customShape;flipH=1');
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var v5 = graph.insertVertex(parent, null, 'A4', 520, 220, 40, 80, 'shape=and;flipH=1');
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var v6 = graph.insertVertex(parent, null, 'X2', 340, 110, 80, 80, 'shape=xor;flipH=1');
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var e3 = graph.insertEdge(parent, null, '', v4, v6);
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e3.geometry.points = [new mxPoint(490, 60), new mxPoint(130, 130)];
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var e4 = graph.insertEdge(parent, null, '', v5, v6);
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e4.geometry.points = [new mxPoint(490, 260), new mxPoint(130, 170)];
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var v7 = graph.insertVertex(parent, null, 'O1', 250, 260, 80, 60, 'shape=or;direction=south');
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var e5 = graph.insertEdge(parent, null, '', v6, v7);
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e5.geometry.points = [new mxPoint(310, 150)];
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var e6 = graph.insertEdge(parent, null, '', v3, v7);
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e6.geometry.points = [new mxPoint(270, 150)];
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var e7 = graph.insertEdge(parent, null, '', v7, v5);
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e7.geometry.points = [new mxPoint(290, 370)];
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}
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finally
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{
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// Updates the display
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graph.getModel().endUpdate();
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}
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document.body.appendChild(mxUtils.button('FlipH', function()
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{
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graph.toggleCellStyles(mxConstants.STYLE_FLIPH);
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}));
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document.body.appendChild(mxUtils.button('FlipV', function()
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{
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graph.toggleCellStyles(mxConstants.STYLE_FLIPV);
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}));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(mxUtils.button('Rotate', function()
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{
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var cell = graph.getSelectionCell();
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if (cell != null)
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{
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var geo = graph.getCellGeometry(cell);
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if (geo != null)
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{
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graph.getModel().beginUpdate();
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try
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{
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// Rotates the size and position in the geometry
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geo = geo.clone();
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geo.x += geo.width / 2 - geo.height / 2;
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geo.y += geo.height / 2 - geo.width / 2;
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var tmp = geo.width;
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geo.width = geo.height;
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geo.height = tmp;
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graph.getModel().setGeometry(cell, geo);
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// Reads the current direction and advances by 90 degrees
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var state = graph.view.getState(cell);
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if (state != null)
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{
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var dir = state.style[mxConstants.STYLE_DIRECTION] || 'east'/*default*/;
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if (dir == 'east')
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{
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dir = 'south';
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}
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else if (dir == 'south')
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{
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dir = 'west';
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}
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else if (dir == 'west')
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{
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dir = 'north';
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}
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else if (dir == 'north')
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{
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dir = 'east';
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}
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graph.setCellStyles(mxConstants.STYLE_DIRECTION, dir, [cell]);
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}
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}
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finally
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{
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graph.getModel().endUpdate();
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}
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}
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}
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}));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(mxUtils.button('And', function()
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{
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graph.setCellStyles(mxConstants.STYLE_SHAPE, 'and');
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}));
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document.body.appendChild(mxUtils.button('Or', function()
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{
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graph.setCellStyles(mxConstants.STYLE_SHAPE, 'or');
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}));
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document.body.appendChild(mxUtils.button('Xor', function()
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{
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graph.setCellStyles(mxConstants.STYLE_SHAPE, 'xor');
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}));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(document.createTextNode('\u00a0'));
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document.body.appendChild(mxUtils.button('Style', function()
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{
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var cell = graph.getSelectionCell();
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if (cell != null)
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{
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var style = mxUtils.prompt('Style', graph.getModel().getStyle(cell));
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if (style != null)
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{
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graph.getModel().setStyle(cell, style);
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}
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}
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}));
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document.body.appendChild(mxUtils.button('+', function()
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{
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graph.zoomIn();
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}));
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document.body.appendChild(mxUtils.button('-', function()
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{
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graph.zoomOut();
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}));
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}
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};
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</script>
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</head>
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="position:relative;overflow:hidden;width:601px;height:401px;background:url('editors/images/grid.gif');cursor:default;">
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</div>
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</body>
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</html>
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